| 摘要 |
A power control system includes a display module for displaying an image in accordance with image data, a DC-DC converter being external to the display module and for applying power to the display module, a host for generating a control signal for controlling the display module and outputting the control signal through a signal output pin of signal input/output pins of the host, and a connector connected to the signal input/output pins and for applying the control signal to the DC-DC converter and the display module. The DC-DC converter is adapted to apply power to the display module according to the control signal. Accordingly, the number of signal input/output pins of the connector can be reduced.
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